The pathogenesis of the hearing impairment in RA is not clearly understood; however, the involvement of the joints of the ossicles in the middle ear, vasculitis, neuritis, and ototoxicity of medications used for the treatment of the disease have been stated. Rheumatoid arthritis could also, hypothetically, cause sensorineural hearing loss, auditory neuropathy, high frequencies hearing loss and middle ear structures. Therefore, it is mandatory that the individual is assessed as a whole. Objetive: Assess the relationship between middle ear wideband reflectance with the measurements of imitanciometry and high frequency audiometry in rheumatoid arthritis adult patients. Methods: This assay will evaluate 40 individuals, divided in 2 groups: Study Group - patients presenting rheumatoid arthritis, without any other hearing impairment conditions. Control Group - patients with no hearing complaints nor hearing impairment conditions. The materials utilized will be: GSI 61 Grason Stadler Audiometer for conventional and high frequency audiometry. MADSEN OTOflex 100, with 226Hz frequency probe for timpanometry and stapedial reflex measurements. MEPA3 - Middle-Ear Power Analysis - Mimosa - for the wide band reflectance acquirement. Results: The assayed variables will be submitted to statistical analysis, comparing the obtained measurements between the 2 groups.
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